The investigation of killer cell immunoglobulin-like receptor genotyping in patients with systemic lupus erytematosus and systemic sclerosis
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Systemic lupus erythematosus (SLE) is an autoimmune disease characterised by the production of autoantibodies and the involvement of multiple organ systems. Systemic sclerosis (SSc) is another autoimmune disease that causes fibrosis. We will aim to analyse the role of killer cell immunoglobulin-like receptor (KIR) genotypes and their existence with the respective HLA ligands in patients with SLE and SSc. Forty-five SLE, 25 SSc and 40 healthy controls were included. We examined the presence/absence of KIR2DL1, 2DL2, 2DL3, 2DL4, 2DL5A, 2DL5B, 2DS1, 2DS1, 2DS2, 2DS3, 2DS4, 2DS5, 3DL1, 3DL2, 3DL3, 3DS1, 2DP1, 3DP1 and their known HLA ligands. In the SLE group, the KIR2DL5, KIR2DL5B and KIR2DS3 genes were significantly more frequent, and KIR2DL3 gene was significantly less than in controls (p values <0.05). In SSc patients, the KIR2DS3 gene was more frequent than in controls (p = 0.032). The KIR2DL3 gene was detected more frequently in controls while KIR2DS3 gene was more frequent in the patient group when SLE and SSc patients were combined (p values < 0.05). The KIR2DS2/HLA-C and KIR2DS2/HLA-C combinations were significantly more in both SLE and SSc groups than in controls. The KIR2DL2 and KIR2DL5B genes were protective from neurologic involvement in SLE patients (p values <0.05). The variations of some KIR genes such as KIR2DL5, KIR2DL5B, KIR2DS3 and KIR2DL3 may have a role in the pathogenesis of SLE and SSc. Also, the presence of KIR2DL2 and KIR2DL5B may cause major organ involvement, like neurologic involvement, in SLE.
KeywordsGenetic Killer cell immunoglobulin-like receptors (KIRs) Systemic lupus erythematosus (SLE) Systemic sclerosis (SSc)
This study was supported by grants from The Scientific And Technological Research Council Of Turkey (TUBITAK) 3501—Career Development Program (Project number: 111S153). The authors acknowledge Dr. Canpolat Polat for his translational and linguistic assistance.
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- 11.Pedroza LS, Sauma MF, Vasconcelos JM, Takeshita LY, Ribeiro-Rodrigues EM, Sastre D, Barbosa CM, Chies JA, Veit TD, Lima CP, Oliveira LF, Henderson BL, Castro AP, Maia MH, Barbosa FB, Santos SE, Guerreiro JF, Sena L, Santos EJ (2010) Systemic lupus erythematosus: association with KIR and SLC11A1 polymorphisms, ethnic predisposition and influence in clinical manifestations at onset revealed by ancestry genetic markers in an urban Brazilian population. Lupus 20(3):265–73CrossRefGoogle Scholar
- 15.Kim S, Sunwoo JB, Yang L, Choi T, Song YJ, French AR, Vlahiotis A, Piccirillo JF, Cella M, Colonna M, Mohanakumar T, Hsu KC, Dupont B, Yokoyama WM (2008) HLA alleles determine differences in human natural killer cell responsiveness and potency. Proc Natl Acad Sci U S A 105(8):3053–8CrossRefPubMedPubMedCentralGoogle Scholar
- 16.Cauli A, Shaw J, Giles J, Hatano H, Rysnik O, Payeli S, McHugh K, Dessole G, Porru G, Desogus E, Fiedler S, Hölper S, Carette A, Blanco-Gelaz MA, Vacca A, Piga M, Ibba V, Garau P, La Nasa G, López-Larrea C, Mathieu A, Renner C, Bowness P, Kollnberger S (2013) The arthritis-associated HLA-B*27:05 allele forms more cell surface B27 dimer and free heavy chain ligands for KIR3DL2 than HLA-B*27:09. Rheumatology 52(11):1952–62CrossRefPubMedPubMedCentralGoogle Scholar